package com.jjsj.common.sensitive;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.ContextualSerializer;
import com.jjsj.common.utils.SensitiveUtils;
import lombok.AllArgsConstructor;
import lombok.NoArgsConstructor;

import java.io.IOException;
import java.util.Objects;

/**
 * @author JooLun
 * @Author: https://www.cnblogs.com/xiluonanfeng/p/10183926.html
 * 脱敏序列化
 */
@NoArgsConstructor
@AllArgsConstructor
public class SensitiveSerialize extends JsonSerializer<String> implements ContextualSerializer {

    private SensitiveTypeEnum type;

    @Override
    public void serialize(final String originStr, final JsonGenerator jsonGenerator,
                          final SerializerProvider serializerProvider) throws IOException {
        switch (type) {
            case CHINESE_NAME:
                jsonGenerator.writeString(SensitiveUtils.chineseName(originStr));
                break;
            case MOBILE_PHONE:
                jsonGenerator.writeString(SensitiveUtils.mobilePhone(originStr));
                break;
            case EMAIL:
                jsonGenerator.writeString(SensitiveUtils.email(originStr));
                break;
            case PASSWORD:
                jsonGenerator.writeString(SensitiveUtils.password(originStr));
                break;
            case KEY:
                jsonGenerator.writeString(SensitiveUtils.key(originStr));
                break;
            default:
                throw new IllegalArgumentException("未定义的敏感信息枚举类" + type);
        }
    }

    @Override
    public JsonSerializer<?> createContextual(final SerializerProvider serializerProvider, final BeanProperty beanProperty) throws JsonMappingException {
        if (beanProperty != null) {
            if (Objects.equals(beanProperty.getType().getRawClass(), String.class)) {
                Sensitive sensitive = beanProperty.getAnnotation(Sensitive.class);
                if (sensitive == null) {
                    sensitive = beanProperty.getContextAnnotation(Sensitive.class);
                }
                if (sensitive != null) {
                    return new SensitiveSerialize(sensitive.type());
                }
            }
            return serializerProvider.findValueSerializer(beanProperty.getType(), beanProperty);
        }
        return serializerProvider.findNullValueSerializer(null);
    }

}
